The James Webb Space Telescope is (finally), as of now, scheduled to be launched on Saturday December 18, 2021 on an Ariane 5 rocket from French Guiana.
NASA has been hosting several pre-launch briefings.
On November 2 NASA hosted a Webb Space Telescope Deployment Briefing:
https://www.youtube....7dy7OtI&t=1750s
On November 18 NASA hosted a Media briefing on James Webb Space Telescope science goals:
https://www.youtube....h?v=hY2I8WVq9Uo
On November 18 NASA hosted a Media briefing on James Webb Space Telescope science instruments:
https://www.youtube....0S1R4wmHc&t=13s
Mark